HHLA2 in intrahepatic cholangiocarcinoma: an immune checkpoint with prognostic significance and wider expression compared with PD-L1
====================================================================================================================================

* Chu-Yu Jing
* Yi-Peng Fu
* Yong Yi
* Mei-Xia Zhang
* Su-Su Zheng
* Jin-Long Huang
* Wei Gan
* Xin Xu
* Jia-Jia Lin
* Juan Zhang
* Shuang-Jian Qiu
* Bo-Heng Zhang